AS13985F29-T datasheet(6/13 Pages) AMSCO

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AS13985

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

Figure 3. AC Line Regulation Input Voltage Test Signal

Figure 4. SVR Input Voltage Test Signal

IEN

Enable Input Current

VEN = 0.4V, VIN = 5.5V

±1

Output Noise Voltage

BW = 10Hz to 100kHz, COUT = 1µF,

IOUT = 0mA

µVRMS

tON

Turn On Time

CBYPASS = 10nF

150

250

µs

TSHDN

Thermal Shutdown

Threshold

4, 6

160

ºC

Recommended Output Capacitor

COUT

Output Capacitor

Capacitance

µF

ESR

5000

1. Temperature variations are included within the output voltage accuracy.

2. Guaranteed by design.

3. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100mV below its nominal

value (does not apply to input voltages below 2.5V).

4. EN must be driven with a tR = tF < 10ms.

5. Turn on time is time measured between the enable input just exceeding the VEN high value and the output volt-

age just reaching 95% of its nominal value.

6. Typical thermal protection hysteresis is 20ºC.

Note: All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or

SQC (Statistical Quality Control) methods.

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

600mV

600µs

4.6ms

30µs

VIN =

VOUT(NOM) + 1V

30µs

VIN

50mV

VOUT(NOM) + 1V

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